[Freeciv-Dev] Re: (PR#6721) A Quincuncial topology

["Gregory Berkolaiko" <Gregory.Berkolaiko@xxxxxxxxxxxx>]

<URL: http://rt.freeciv.org/Ticket/Display.html?id=6721 >

On Tue, 11 Nov 2003, Jason Short wrote:

> <URL: http://rt.freeciv.org/Ticket/Display.html?id=6721 >
> 
> Gregory Berkolaiko wrote:
> 
> > I don't understand what these formulas are supposed to mean but presumably 
> > you want
> > 
> >    ABCDEFGH
> >    IJKLMNOP
> >    QRSTUVWX
> >    uvwxqrst
> > 
> > instead of what you wrote.
> 
> No.  It is flipped/mirrored in the X direction, not shifted.  The above 
> map is not legal because (for instance) Q and q do not have the same 
> adjacent tiles.

But they do!  Q: I, u, R, X
q: U, x, r, i

I would say your picture is less legal, because if the width is odd, there 
are two "fixed points": you go north from Q and you end up in q.

G.